@function __reject-iteratee($value, $index, $collection) {
    $predicate: __this('predicate');
    $test: __exec($predicate, $value, $index, $collection);
    $result: __is-falsey(__exec($predicate, $value, $index, $collection));

    @return $result;
}


@function __reject($collection, $predicate: '__identity', $this-arg: null) {
    $function: if(__is-list($collection), '__list-filter', '__base-filter');
    $predicate: __get-callback($predicate, $this-arg, 3);
    $_: __scope((
        'predicate': $predicate
    ));
    $reject-iteratee: __bind('__reject-iteratee');
    $result: __exec($function, $collection, $reject-iteratee);
    $_: __scope(false);

    @return $result;
}

///
/// The opposite of `_filter`; this method returns the elements of `$collection`
/// that `$predicate` does **not** return truthy for.
/// 
/// If a property name is provided for `$predicate` the created `_property`
/// style callback returns the property value of the given element.
/// 
/// If a value is also provided for `$this-arg` the created `_matches-property`
/// style callback returns `true` for elements that have a matching property
/// value, else `false`.
/// 
/// If a map is provided for `$predicate` the created `_matches` style
/// callback returns `true` for elements that have the properties of the given
/// object, else `false`.
///
///
/// @access public
/// @group Collection
/// @param {List|Map|string} $collection The collection to iterate over.
/// @param {Function|Map|string} $predicate [_identity] - The function invoked
///  per iteration.
/// @param {*} $this-arg [null] - The `_this` binding of `$predicate`.
/// @returns {List} Returns the new filtered list.
/// @example scss
/// $foo: _reject((1, 2, 3, 4), is-even);
/// // => (1, 3)
/// 
/// $users: (
///   ( 'user': 'barney', 'age': 36, 'active': false ),
///   ( 'user': 'fred',   'age': 40, 'active': true )
/// );
/// // using the `_matches` callback shorthand
/// $foo: _pluck(_reject($users, ( 'age': 40, 'active': true )), 'user');
/// // => ('barney')
/// 
/// // using the `_matches-property` callback shorthand
/// $foo: _pluck(_reject($users, 'active', false), 'user');
/// // => ('fred')
/// 
/// // using the `_property` callback shorthand
/// $foo: _pluck(_reject($users, 'active'), 'user');
/// // => ('barney')

@function _reject($args...) {
    @return call(get-function('__reject'), $args...);
}